Flash-light device.



' No. 813,849. PATBNTED FEB. 27, 1906.

T. AZUMA. FLASH LIGHT DEVICE. APPLICATION FILED we. 11. 1905.

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w 8 E w W ATTO EYS ward the body portion.

UNITED STATES PATENT OFFICE.

FLASH-LIGHT DEVICE.

Specification of Letters Patent.

Application filed August 11, 1905. Serial No. 273,733.

To all whom, it may concern:

Be it known that I, TAKENARI AZUMA, a subject of the Mikado of Japan,and a resident of Kanda, Tokyo, Japan, have invented a new and ImprovedFlash-Light Device, of which the following is a full, clear, and exactdescription.

This invention relates to improvements in flash-light devices for use inphotography, the object being to provide a flash-light lamp or devicethat will be simple in construction and so arranged that the flash willbe directed upwardly and laterally in a thin sheet.

Other objects of the invention will appear in the general description.

I will describe a flash-light device embodying my invention and thenpoint out the novel features in the appended claims.

Reference is to be had to the accompanying drawings, forming a part ofthis specification, in which similar characters of reference indicatecorresponding parts in all the figures.

Figure 1 is an elevation of a flash-light device embodyingmy invention.Fig. 2 is a vertical section thereof. Fig. 3 is a front elevation, andFig. 4 is a top plan. I

The device comprises a block or body portion 1 of wood or other suitablematerial, having a socket member 2 for receiving the upper end of astandard 3-. Secured to the front of the body portion is a panconsisting of sheet metal 4, which is designed to receive the flashpowder-such for instance, as magnesia. This pan is open at the sides andalso open at the top, the opening at the top being comparatively narrow.To provide for this narrow opening at the top and also to providesufficient space for the powder in the lower portion of the pan, theouter wall of saidpan is inclined upward and inward to- The ignitingdevice for the powder consists of a tube 5, removably engaged in anopening formed in the ger 11 passes.

body portion, the end of said tube being extendedinto the opening andprovided with a slot 6, through which a fulminant cap 7 may be passed.Attached to the tube 5 at the rear side of the body portion is atriangular plate 8, which is normally seated in a recess formed in saidbody portion and is held by buttons 9. The rear end of the tube isprovided with a cap or cover 10, provided with an opening through whichthe stem of a plun- This plunger 11 is designed to be forced against thepaper cap 7 to explode the same by means of a hammer 12, pivoted tobrackets 13 secured to the body portion 1, and the said hammer is forcedagainst the plunger by means of a spring 14, one end of which is securedto the hammer, while the other end is secured to the body portion. Thehammer 12 is designed to be engaged by a latch-arm 15, extended from alever 16, pivoted on the body portion, and on the free end of this lever16 is a plate 17, designed to be struck by a cap 18, movable on anair-tube 19, with which a pneumatic bulb 20 is connected by a rubbertube 21.

In the operation, when the parts are in the position indicated in thedrawings, pressure on the bulb 20 will cause the part 18 to pressagainst the plate 17, moving the arm to release the hammer 12, which,through the agency of the spring 14, will swing over and strike upon theplunger 11, thus exploding the paper cap and igniting the flash-powder.

It will be noted that a flash-light device embodying my invention is ofvery simple construction and may be readily operated.

Having thus described my invention, I claim as new and desire to secureby Letters Patent 1. A flash-light device comprising a body portion, apan thereon open at the sides and top, the opening at the top beingnarrow, a tube extended removably through the body portion into the panand adapted to receive an exploding medium, a plunger for operating inthe tube, and a spring-actuated hammer for forcing the plunger againstthe igniting material.

2. A flash-light device, comprising a body portion, a pan thereon, atube removably extended through the body portion and projected into thepan, the said tube having a slot through Which an igniting medium maypass, a plunger operating in the tube, a springactuated hammer forstriking the plunger, a l1olding-latch for said hammer, and a pneumaticfor releasing the latch from the hammer.

3. A flash-light device, comprising a body portion, a pan thereon havingits outer wall inclined upward and inward, or toward the body portion, atube removably extended through the body portion and into the pan, saidtube having a slot through which an igniting medium may pass, a plungeroperating in the tube, a spring-actuated hammer for striking theplunger, a latch for holding the hammer in one position, a lever onwhich said latch is mounted, a plate on the front Patented Feb. 27,1906.

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end of the lever, an air-tube, and a cap inovportion for engaging thesaid plate, and a able on said air-tube for contact With said hammer forstriking said plunger.

plate. In testimony whereof I have signed my 4. A flash-light device,comprising a body name to this specification in the presence of 5portion, a pan thereon, the said body portion two subscribing Witnesses.

aving an opening leading into the pan, a TAKENARI AZUMA tube forreinovably engaging in said opening and adapted to receive an ignitingmedium, a Witnesses: plunger operating in the tube, a plate on the Jim.M. BITTER, IO outer end. of said tube, buttons on the body C. R.FERGUSON.

